7801839

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{1579}}^1$

素因数の和:1652

約数の個数: 20

約数和(自身を含む): 11853160

約数和(自身を除く): 4051321

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1579, 1647, 4737, 4941, 14211, 42633, 96319, 127899, 288957, 866871, 2600613, 7801839]

約数ペア:

[(1, 7801839), (3, 2600613), (9, 866871), (27, 288957), (61, 127899), (81, 96319), (183, 42633), (549, 14211), (1579, 4941), (1647, 4737)]